After this update, you may need to re-enter the passwords to the trading accounts of MetaTrader platform.

Apart from reset of saved passwords, change of encryption key shall mean that one activation of the applications bought in MQL5 Market will be used. MetaQuotes company has added additional activation to all bought products. Demo versions can be easily downloaded from the Market again. Therefore, users are not to lose their activation after Windows 10 Fall Creators Update.